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解N元一次方程從文件讀入整數?N,??然后讀入N*(?N+1)矩陣，得到解并輸出到文件中。

int?main(){

int?ch;

printf("+=======================+\n");

printf("+?Gaussian?Matrix?Cal?+\n");

printf("+=======================+\n");

printf("Choose:1.Input?Matrix?2.Read?Matrix?From?File\n");

printf("Your?choice:");

scanf("%d",&ch);

if(ch!=1&&ch!=2){

printf("Enter?Error!!!\n");

return?0;

}

switch(ch)?{

case?1:

printf("Enter?a?filename?to?save?data:");

scanf("%s",filename);

if(!InputMatrix()){

printf("Not?enough?memory/Input?error!!!\n");

return?0;

}

if(!OuputMatrix())?return?0;

break;

case?2:

printf("Enter?The?Matrix?File?Name:");

scanf("%s",filename);

if(!(fp=fopen(filename,"rb"))){

printf("Cannot?Open?the?data?file!!!\n");

return?0;

}

if(!ReadMatrix()){

printf("Unknown?File?Format!!!\n");

return?0;

}

break;

default:

printf("Unexpected?Error?occured!!");

return?0;

}

if(!GaussCal()){

printf("Math?error/Not?enough?Memory!\n");

return?0;

}

if(!Result()){

printf("Cannot?Create?Result?File!!!");

return?0;

}

printf("All?Done!!!\n");

if(fp)?fclose(fp);

if(out)?fclose(out);

if(Mat)?free(Mat);

if(X)?free(X);

if(buff)?free(buff);

return?1;

}

怎嗎解釋這個程序啊

好像沒有把解輸出到文件中的語句啊？？？

幫幫忙拉！！！

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